Buna O Rings Temperature Rating

1 to 249 f.

Buna o rings temperature rating.

Viton is the choice over buna for high temperature applications. However before you choose silicone for an o ring seal due to it s o ring temperature range there are also other silicone shortcomings so make sure that it can withstand your particular environment by going to our rubber properties section and rubber chemical resistance chart. Parker s nitrile rubber nbr o rings are compatible with oils and gases. Oil resistant clean room buna n o rings.

These buna n o rings are made of fda listed material for use with food and beverage. Filter by clear all no filters selected. Viton seals hold indefinitely at temperatures up to 400 f and can last up to 48 hours at temperatures up to 600 f. Also notice that silicone has high rubber temperature resistance and also great low rubber temperature resistance.

Maximum temperature 249 to 0 f. But for short working periods it will take even higher temperatures. Get your parker account today. Low temperature 30 f minimum operating temperature.

O ring material family chemical compatibility temperature resistance and other properties all factor in to o ring material selection for an application. Buna buna n buna 70 8707. O ring temperature ranges by o ring compound temperature guidelines for o rings and o ring compounds. Degrees in fahrenheit f degrees in celsius c polymer type 25 to 450 4 to 232 aflas 75 to 250 59 to 120.

Viton seals provide an indefinite seal for temperatures up to 400 f and for temperatures up to 600 f they offer an excellent seal for more than 48 hours. Nitrile 90 durometer o ring low temperature mil aero n0507 90 product series filter. Material certification with shelf life cure date and. O ring material quick reference guide rubber sealing materials.

N507 buna buna n buna 90. 250 to 499 f. While both viton and buna seals both serve as great sealing options at moderate temperatures viton is far superior to buna for high temperature applications. Filter by clear all no filters selected.

Depending on the grade the working temperature range is considered to be 26 c to 205 230 c 15 f to 400 440 f.